mailx

-E Do not send messages with an empty body. This is useful for pip-
ing errors from cron(8) scripts.
-s subject
Specify subject on command line. (Only the first argument after
the -s flag is used as a subject; be careful to quote subjects
containing spaces.)

wget

The attached patch adds the option --accept-encoding-gzip to wget. If you
enable this option the line: `Accent-Encoding: gzip' is added to the Header
wget sends to the server. If the server responds with `Content-Encoding: gzip'
the received data will be decompressed with gzip -d -c -.